Tinctura Quassiae (U. S. P.)—Tincture of Quassia.
Related entry: Quassia (U. S. P.)—Quassia
Preparation.—"Quassia, in No. 40 powder, one hundred grammes (100 Gm.) [3 ozs. av., 231 grs.]; alcohol, water, each, a sufficient quantity to make one thousand cubic centimeters (1000 Cc.) [33 fl℥, 391♏]; Mix alcohol and water in the proportion of three hundred and fifty cubic centimeters (350 Cc.) [11 fl℥, 401♏]; of alcohol to six hundred and fifty cubic centimeters (650 Cc.) [21 fl℥, 470♏] of water. Having moistened the powder with one hundred cubic centimeters (100 Cc.) [3 fl℥, 183♏] of the menstruum, macerate for 24 hours; then pack it firmly in a cylindrical percolator, and gradually pour menstruum upon it, until one thousand cubic centimeters (1000 Cc.) [33 fl℥, 391♏] of tincture are obtained"—(U. S. P.). An intensely bitter, pale brown-yellow tincture. It should not strike black with ferric compounds.
Action, Medical Uses, and Dosage.—(See Quassia.) Dose, ½ to 1 fluid drachm. In enema, it destroys ascarides.